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How to count the number of set bits in a 32-bit integer?
...bit elements in a 64-bit integer with a 0x0101010101010101 multiplier, and extract the high byte with >>56. So it doesn't take any extra steps, just wider constants. This is what GCC uses for __builtin_popcountll on x86 systems when the hardware popcnt instruction isn't enabled. If you can ...
How to pass object with NSNotificationCenter
...cation:(NSNotification*)notification
{
if ([notification.name isEqualToString:@"TestNotification"])
{
NSDictionary* userInfo = notification.userInfo;
NSNumber* total = (NSNumber*)userInfo[@"total"];
NSLog (@"Successfully received test notification! %i", total.intValue...
Select + copy text in a TextView?
...ght and copying on LongClick action.
This is how I managed using SpannableString:
SpannableString highlightString = new SpannableString(textView.getText());
highlightString.setSpan(new BackgroundColorSpan(ContextCompat.getColor(getActivity(), R.color.gray))
, 0, textView.getText().len...
How to set background color of an Activity to white programmatically?
...t to use one of your own custom colours, you can add your custom colour to strings.xml and then use the below to call it.
element.setBackgroundColor(R.color.mycolour);
However if you want to set the colour in your layout.xml you can modify and add the below to any element that accepts it.
androi...
Can regular expressions be used to match nested patterns? [duplicate]
...
For string '(a (b c)) (d e)', using simple expression '/\([^()]*\)/' gives me the same result. Are there benefits to your long expression?
– Cœur
Oct 13 '15 at 7:38
...
How can I find all matches to a regular expression in Python?
...
Use re.findall or re.finditer instead.
re.findall(pattern, string) returns a list of matching strings.
re.finditer(pattern, string) returns an iterator over MatchObject objects.
Example:
re.findall( r'all (.*?) are', 'all cats are smarter than dogs, all dogs are dumber than cats')...
What is the difference between .text, .value, and .value2?
...
.Text gives you a string representing what is displayed on the screen for the cell. Using .Text is usually a bad idea because you could get ####
.Value2 gives you the underlying value of the cell (could be empty, string, error, number (double...
Where can I find documentation on formatting a date in JavaScript?
...with Dates.
Basically, you have three methods and you have to combine the strings for yourself:
getDate() // Returns the date
getMonth() // Returns the month
getFullYear() // Returns the year
Example:
var d = new Date();
var curr_date = d.getDate();
var curr_month = d.getMonth() + 1; //Mo...
isset() and empty() - what to use
...ull
With empty, the following things are considered empty:
"" (an empty string)
0 (0 as an integer)
0.0 (0 as a float)
"0" (0 as a string)
NULL
FALSE
array() (an empty array)
var $var; (a variable declared, but without a value in a class)
From http://php.net/manual/en/function.empty.php
As m...
How to create ENUM type in SQLite?
... Why not use CHECK() constraint to allow only three possible strings?
– mateusza
Jun 19 '13 at 23:31
1
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